$6^x=1296$

$\sqrt[3]{3a^2b}\cdot\:\sqrt[4]{15ab^3}$

$m\cdot2m^2$

$\lim_{x\to\frac{\pi}{2}}\left(\frac{1+\sin\left(x\right)}{1-\cos\left(x\right)}\right)$

$7,8+12,48+3,805+93,056+0,9564$

$4\left(x+2\right)\left(5+x\right)$

$\lim_{x\to3}\left(\left(x-3\right)^2\ln\left(x-3\right)\right)$